<!DOCTYPE HTML>
<html>
<body>
  <div id="messages-input" x-inputmode="-moz-sms" contenteditable="true"
    autofocus="autofocus">fxos<br>hello <b>world</b></div>
  <script type="application/javascript;version=1.7">
    let input = document.getElementById('messages-input');
    input.focus();
  </script>
</body>
</html>
 </div>
</body>
</html>
